Posted 3/28/2025 12:47 (#11165221 - in reply to #11165065) Subject: RE: 1770 vac motor plumbing? 2 fans in series?
15" vacuum would be on the very low end. I'm usually in the 19-22" area.
Not sure what that jumper is for, haven't seen that. I'm sure running in series isn't going to work, the other posts have good info on how to plumb it.